# A vessel of 1.8 m3 capacity contains oxygen at 8 bar and 50°C. The vessel is connected with another.

A vessel of 1.8 m3 capacity contains oxygen at 8 bar and 50°C. The vessel is connected with another vessel of3.6 m3 capacity containing carbon monoxide at l bar and 20°C. The connecting valve is opened and the gases mixed adiabatically. Calculate (a) final temperature and pressure of the mixture; (b) the change of entropy of the system Take Cvo2 = 21.07 kJ/mol · K Cvco = 20.86 kJ/mol · K. B. A vessel of 6 m3 capacity contains two gases A and B in proportion of 45% and 55%, respectively at 30°C. If the gas constant R for these gases is 0.288 kJ/kg · K and 0.295 kJ/kg · K and total weight
A vessel of 1.8 m3 capacity contains oxygen at 8 bar and 50°C. The vessel is connected with another vessel of3.6 m3 capacity containing carbon monoxide at l bar and 20°C. The connecting valve is opened and the gases mixed adiabatically. Calculate (a) final temperature and pressure of the mixture; (b) the change of entropy of the system Take Cvo2 = 21.07 kJ/mol · K Cvco = 20.86 kJ/mol · K. B. A vessel of 6 m3 capacity contains two gases A and B in proportion of 45% and 55%, respectively at 30°C. If the gas constant R for these gases is 0.288 kJ/kg · K and 0.295 kJ/kg · K and total weight of the mixture is 2 kg. Calculate (a) The partial pressure, (b) The total pressure, and (c) The mean value of R for the mixture.

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